/*
 * 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
 * 
 * https://zhiqim.org/project/zhiqim_framework/zhiqim_orm.htm
 *
 * Zhiqim ORM is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
package org.zhiqim.orm.dbo.defined;

import org.zhiqim.kernel.constants.SignConstants;

/**
 * 索引属性，格式如下：<br><br>
 * <index name="IX_USER_INFO_NAME_CREATED" column="USER_NAME,USER_CREATED"/><br>
 *
 * @version v1.0.0 @author zouzhigang 2014-3-21 新建与整理
 */
public class _TableIndex implements SignConstants
{
    private String name;
    private String column;
    private boolean unique;
    
    public _TableIndex(String name, String column, boolean unique)
    {
        this.name = name;
        this.column = column;
        this.unique = unique;
    }
    
    public String toString()
    {
        return new StringBuilder("<index")
            .append(" name=").append(_DOUBLE_QUOTE_).append(name).append(_DOUBLE_QUOTE_)
            .append(" column=").append(_DOUBLE_QUOTE_).append(column).append(_DOUBLE_QUOTE_)
            .append(" unique=").append(_DOUBLE_QUOTE_).append(unique).append(_DOUBLE_QUOTE_)
            .append("/>")
            .toString();
    }
    
    public String getName()
    {
        return name;
    }

    public String getColumn()
    {
        return column;
    }
    
    public boolean isUnique()
    {
        return unique;
    }
    
    public String getType()
    {
        return unique?"unique":_EMPTY_;
    }
}
